On Fri, Feb 18, 2011 at 9:36 AM, Boris Zbarsky <bzbarsky@mit.edu> wrote:
> On 2/18/11 12:19 PM, Tab Atkins Jr. wrote:
>>
>> As a more general question, what information is necessary for a new
>> layout mode to define in order for it to work nicely with the other
>> layout modes? I want to define the interface between layout modes, so
>> it's easy for new ones to integrate.
>>
>> Right now I have the min/max/fit-content widths and heights, and the
>> baseline. Do you know of anything else?
>
> Hmm. So in Gecko, for block layout, we need to know the following things
> about child boxes:
>
> 1) minimal intrinsic width
> 2) preferred intrinsic width
> 3) the width it actually wants to be given the block's width
> 4) baseline position given the width in #3
> 5) height given the width in #3
> 6) various information about how the edges of the box behave (breaks
> allowed at those edges or not, bidi reordering across those edges
> allowed or not, various text shaping across those edges allowed
> or not, probably some others.
>
> That _might_ be it... Flexbox wants to have height info and
> max-width/height too.
>
> Note that "fit-content" is not what's needed above; what's needed is
> preferred intrinsic width. And minimal intrinsic width is not the same as
> minimal width (e.g. doesn't take the min-width property into account).
Awesome, thanks!
~TJ